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Finding the Fourth Proportional to 160.94, 241.67 and 114.85

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Solution

The fourth proportional to 160.94, 241.67 and 114.85 is: 172.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.94 : 241.67 = 114.85 : x
  2. Step 2: Convert to fraction form
    160.94/241.67 = 114.85/x
  3. Step 3: Cross multiply
    160.94x = 241.67 × 114.85
  4. Step 4: Simplify right side
    160.94x = 27,755.80
  5. Step 5: Solve for x
    x = 27,755.80/160.94
  6. Step 6: Final answer
    x = 172.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.